ESPRIT-120ED PROFESSIONAL F/7 SUPER APO TRIPLET REFRACTOR OTA |
MAIN FEATURES: 3-Element Objective Lens, Focal Length 840mm (one Ohara FPL-53 and 2 x Schott lenses) 3 CNC Machined 11:1 Rotatable Dual-Speed Linear Power Focuser Full-frame Corrected Focal Plane Excellent Field Flatness Zero detectable Colour Fringing even on Bright Objects Metallic High-Transmission Lens Coatings Knife-edge Baffled Optical System High-precision Mechanical Components Aluminium OTA material (superior to plain carbon-fibre for this application) Retractable Dew Shield OTA Weight 9.61kg (without accessories), 12.13kg (with accessories) 3 DUAL-SPEED LINEAR POWER FOCUSER 3 LPF with 2 and 1.25 eyepiece adaptors and indexed scale Zero focus-shift during focusing High Load Capacity - holds up to 5kg of accessories whilst focusing and up to 10kg when locked. New drawtube with steel sheet held by four large bearings makes focusing smoother than ever The smooth focus motion and 11:1 fine focus wheel allows precision adjustment and critical focusing of eyepieces & cameras Patent-pending design ACCESSORIES SUPPLIED: 2 Dielectric Star Diagonal, 28mm 2 LET Eyepiece, 9x50 Right-Angled Erect Image Finderscope, Tube Rings and Dovetail Mounting Bar |